Question

求该函数的导数 y=(x^2-2x-1)^5

Answer 1

y=(x^2-2x-1)^5的导数：

y'=5(x^2-2x-1)^4*(x^2-2x-1)'

=5(x^2-2x-1)^4*(2x-2)

=10(x-1)[(x^2-2x-1)^4]